**Product Specifications:**
- **Model No.:** 2XZ
- **Product Name:** High Quality Double Stage Rotary Vane Vacuum Pump
- **Model:** 2xz Series Rotary Vane Vacuum Pump
- **Standard or Nonstandard:** Standard
- **Brand Name:** Yhzkb
- **Certificate:** CE, SGS, TUV, ISO9001
- **Color:** Brown (Customized)
- **Seal Type:** Fluorine Mechanical Seal
- **Theory:** Rotary Vane Pump
- **Trademark:** YHZKB
- **Transport Package:** Plywood Cases
- **Specification:** CE, SGS, TUV, ISO9001
- **Origin:** Anhui, China
- **HS Code:** 84141000
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**Product Overview**
This is a high-speed, oil-sealed, double-stage rotary vane vacuum pump. It is equipped with a gas ballast valve, which helps to reduce the partial pressure of vapor in the exhaust by introducing air into the system. This prevents condensation of vapors inside the pump and avoids oil emulsification, thus extending the life of the oil. However, using the gas ballast valve may lower the ultimate vacuum level and increase the operating temperature of the pump.
The pump is known for its compact size, lightweight design, quiet operation, and ease of starting. It also includes features to prevent oil back-suction and oil leakage from the shaft seal, ensuring a cleaner and more efficient working environment.
**Applications:**
1. The pump is a fundamental component used to evacuate sealed vessels. It can operate independently as a main pump or serve as a forepump for diffusion pumps, molecular pumps, or as a holding pump in vacuum systems. It is widely used in electro-vacuum industries, vacuum flask manufacturing, vacuum welding, and as an accessory for precision instruments requiring vacuum conditions.
2. The pump can work continuously for long periods at temperatures ranging from 5°C to 40°C, provided the intake pressure is below 1230 Pa. If the gas being pumped contains moisture with a relative humidity above 90%, the gas ballast valve should be opened.
3. The pump must not run for more than one minute when the inlet port is fully open to the atmosphere.
4. It is not suitable for pumping oxidizing, toxic, explosive, or corrosive gases, nor gases that react chemically with the pump oil or contain dust particles.
**Company Overview**
- **1988:** Established headquarters in Zhejiang, primarily producing SK series vacuum pumps for the pharmaceutical industry.
- **1997:** Set up a sales branch in Shanghai.
- **1998:** Developed SK-A and SK-D series for the plastic industry.
- **2007:** Established a foreign trade department and began international business operations.
**Main Products:**
- **Liquid Ring Vacuum Pumps:** SK, SK-A, SK-D, 2SK, 2SK-B, 2BEA, etc.
- **Centrifugal Pumps:** IZ(BL), etc.
- **Rotary Vane Vacuum Pumps:** 2X, 2XZ-B, VRD, XD, etc.
**Certifications:**
- CE
- ISO 9001:2000
- ISO 14001:2004
This product is ideal for laboratories, industrial applications, and any setting where a reliable, compact, and quiet vacuum solution is required.
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